GB/T 21448-2008
Technical Specifications of Cathodic Protection for underground Steel Pipeline (English Version)

Standard No.

GB/T 21448-2008

Language

Chinese, Available in English version

Release Date

2008

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Status

Be replaced 2018-07

Replace By

GB/T 21448-2017

Latest

GB/T 21448-2017

Replace

SY/T 0019-1997

Scope

This standard specifies the minimum technical requirements for the design, construction, testing and management of cathodic protection for buried steel pipelines. This standard applies to the external wall cathodic protection of buried steel oil, gas and water pipelines, and other buried steel pipelines can be implemented as a reference.

GB/T 21448-2008 Referenced Document

• GB 50058 Code for design of electrical installations in explosive atmospheres*， 2014-01-29 Update
• GB/T 10123 Corrosion of metals and alloys—Vocabulary*， 2022-04-15 Update
• GB/T 21246 Measurement method for cathodic protection parameters of buried steel pipelines*， 2020-11-19 Update
• GB/T 3620.1 Designation and composition of titanium and titanium alloys*， 2016-12-30 Update
• SY/T 0086 Standards for electrical insulation of cathodically protected pipelines*， 2020-10-23 Update
• SY/T 0095 Test method for laboratory evaluation of buried magnesium sacrificial anode samples
• SY/T 0096 Specification of impressed current deep anode beds*， 2013-11-28 Update

GB/T 21448-2008 history

• 2017 GB/T 21448-2017 Specification of cathodic protection for underground steel pipelines
• 2008 GB/T 21448-2008 Technical Specifications of Cathodic Protection for underground Steel Pipeline

GB/T 21448-2008 Technical Specifications of Cathodic Protection for underground Steel Pipeline has been changed from SY/T 0019-1997 Design specification of sacrifical anode for buried steel pipeline.